2014-05-02 22:28 GMT+02:00 Peter Soetens <peter [..] ...>:

> Ok, we're getting close...
>

I recompiled everything to be sure I'm not in a trivial build issue and I
still have the problem.

>
> On Fri, May 2, 2014 at 9:33 PM, Willy Lambert <lambert [dot] willy [..] ...>
> wrote:
> >
> >
> >
> > 2014-05-02 21:22 GMT+02:00 Willy Lambert <lambert [dot] willy [..] ...>:
> >
> >>
> >>
> >>
> >> 2014-05-02 21:15 GMT+02:00 Peter Soetens <peter [..] ...>:
> >>
> >>>
> >>>
> >>> Op vrijdag 2 mei 2014 heeft Willy Lambert <lambert [dot] willy [..] ...>
> het
> >>> volgende geschreven:
> >>>
> >>>> I'm on a 2.5 version, sorry I forgot to preicse the first time.
> >>>
> >>>
> >>> The error you're having is related to a corrupted virtual function
> table.
> >>> I suggest to run your code against valgrind first, next check if you're
> >>> loading outdated libraries in the orocos.log file and finally to indeed
> >>> rebuild all packages.
> >>>
> >>> It's not a functional bug...
> >>>
> >>
> >
> > Here are some entries that I can't link to my code at my comprehension
> leve.
> > Note that I'm using an own-child of fbsched:
> >
> > ==18518== Invalid read of size 4
> > ==18518== at 0x42D3C42: RTT::extras::SlaveActivity::trigger()
> > (SlaveActivity.cpp:182)
> > ==18518== by 0x4272369: RTT::base::TaskCore::trigger()
> (TaskCore.cpp:100)
> > ==18518== by 0x427299C: RTT::base::TaskCore::start()
> (TaskCore.cpp:198)
> > ==18518== by 0x420BF1B: RTT::TaskContext::start()
> (TaskContext.cpp:399)
> > ==18518== by 0x4226354: boost::_mfi::mf0<bool,
> > RTT::TaskContext>::operator()(RTT::TaskContext*) const
> > (mem_fn_template.hpp:49)
> > ==18518== by 0x42258F5: bool
> > boost::_bi::list1<boost::_bi::value > >::operator()<bool,
> > boost::_mfi::mf0<bool, RTT::TaskContext>,
> > boost::_bi::list0>(boost::_bi::type<bool>, boost::_mfi::mf0<bool,
> > RTT::TaskContext>&, boost::_bi::list0&, long) (bind.hpp:243)
> > ==18518== by 0x42250D1: boost::_bi::bind_t<boost::_bi::unspecified,
> > boost::_mfi::mf0<bool, RTT::TaskContext>,
> > boost::_bi::list1<boost::_bi::value > > (bind_template.hpp:20)
> > ==18518== by 0x422479F:
> >
> boost::detail::function::function_obj_invoker0<boost::_bi::bind_t > > boost::_mfi::mf0<bool, RTT::TaskContext>,
> > boost::_bi::list1<boost::_bi::value > > bool>::invoke(boost::detail::function::function_buffer&)
> > (function_template.hpp:132)
> > ==18518== by 0x423B358: boost::function0<bool>::operator()() const
> > (function_template.hpp:1013)
> > ==18518== by 0x4235376: RTT::internal::LocalOperationCallerImpl<bool
> > ()()>::call_impl() (LocalOperationCaller.hpp:335)
> > ==18518== by 0x422F1AA: RTT::internal::InvokerImpl<0, bool ()(),
> > RTT::internal::LocalOperationCallerImpl<bool ()()> >::call()
> > (Invoker.hpp:75)
> > ==18518== by 0x4250FCE: bool boost::fusion::detail::invoke_mem_fn<bool
> > (RTT::base::OperationCallerBase<bool ()()>::*)(),
> > boost::fusion::cons<RTT::base::OperationCallerBase > > boost::fusion::vector<boost::fusion::void_, boost::fusion::void_,
> > boost::fusion::void_, boost::fusion::void_, boost::fusion::void_,
> > boost::fusion::void_, boost::fusion::void_, boost::fusion::void_,
> > boost::fusion::void_, boost::fusion::void_> > const, 1, false>::call<bool
> > (RTT::base::OperationCallerBase<bool ()()>::*)()>(bool
> > (RTT::base::OperationCallerBase<bool ()()>::*&)(),
> > boost::fusion::cons<RTT::base::OperationCallerBase > > boost::fusion::vector<boost::fusion::void_, boost::fusion::void_,
> > boost::fusion::void_, boost::fusion::void_, boost::fusion::void_,
> > boost::fusion::void_, boost::fusion::void_, boost::fusion::void_,
> > boost::fusion::void_, boost::fusion::void_> > const&) (invoke.hpp:279)
> > ==18518== Address 0x9763918 is 0 bytes inside a block of size 148 free'd
> > ==18518== at 0x4024881: operator delete(void*)
> (vg_replace_malloc.c:387)
> > ==18518== by 0x41F186F: RTT::Activity::~Activity() (Activity.cpp:83)
> > ==18518== by 0x4210D2D: void
> > boost::checked_delete<RTT::Activity>(RTT::Activity*)
> (checked_delete.hpp:34)
> > ==18518== by 0x422B331:
> > boost::detail::sp_counted_impl_p<RTT::Activity>::dispose()
> > (sp_counted_impl.hpp:78)
> > ==18518== by 0x41E4A1B: boost::detail::sp_counted_base::release()
> > (sp_counted_base_gcc_x86.hpp:145)
> > ==18518== by 0x41E4A9F: boost::detail::shared_count::~shared_count()
> > (shared_count.hpp:217)
> > ==18518== by 0x420CC67:
> > boost::shared_ptr<RTT::base::ActivityInterface>::~shared_ptr()
> > (shared_ptr.hpp:169)
> > ==18518== by 0x420E0AF:
> >
> boost::shared_ptr<RTT::base::ActivityInterface>::operator=(boost::shared_ptr<RTT::base::ActivityInterface>
> > const&) (shared_ptr.hpp:305)
> > ==18518== by 0x420BCEC:
> > RTT::TaskContext::setActivity(RTT::base::ActivityInterface*)
> > (TaskContext.cpp:351)
> > ==18518== by 0x44B42FA:
> OCL::DeploymentComponent::setActivity(std::string
> > const&, double, int, int) (DeploymentComponent.cpp:1661)
> > ==18518== by 0x44CEA38:
> >
> boost::detail::function::function_obj_invoker4<boost::_bi::bind_t > > boost::_mfi::mf4<bool, OCL::DeploymentComponent, std::string const&,
> double,
> > int, int>,
> boost::_bi::list5<boost::_bi::value > > boost::arg<1>, boost::arg<2>, boost::arg<3>, boost::arg<4> > >, bool,
> > std::string const&, double, int,
> > int>::invoke(boost::detail::function::function_buffer&, std::string
> const&,
> > double, int, int) (mem_fn_template.hpp:506)
> > ==18518== by 0x44F54CC: RTT::internal::InvokerImpl<4, bool
> ()(std::string
> > const&, double, int, int), RTT::internal::LocalOperationCallerImpl<bool
> > ()(std::string const&, double, int, int)> >::call(std::string const&,
> > double, int, int) (function_template.hpp:1013)
> > ==18518==
>
> So it's saying you're trying to access a pointer in SlaveActivity
> which was freed before by setActivity. You should first set your
> master activity and then your slave activity, not the other way
> around.
>

Is there any way to check this from rtt ? Even if it's quite logical in the
end, it's quite error prone.
Something like mmaster->getActivity() (presently, it doesn't exists in
ActivityInterface) in SlaveActivity.

>
> Are you using a deployment script ?
>

Yes, a quite complex lua script so I had a mix with the order. I confirm
that the reordering solved the problem.

Thanks a lot for this fast and precise support.

>
> Peter
>
> > pure virtual method called
> > terminate called without an active exception
> > ==18518== Thread 11:
> > ==18518== Invalid read of size 4
> > ==18518== at 0x42D38B0: RTT::extras::SlaveActivity::getPeriod() const
> > (SlaveActivity.cpp:69)
> > ==18518== by 0x4272E43: RTT::base::TaskCore::getPeriod() const
> > (TaskCore.cpp:274)
> > ==18518== by 0x10B748AA: arp_core::SimulatedRtc::updateHook() (in
> > /opt/ard/arp_core/lib/orocos/gnulinux/libarp_core-components-gnulinux.so)
> > ==18518== by 0x425B65F: RTT::ExecutionEngine::processChildren()
> > (ExecutionEngine.cpp:331)
> > ==18518== by 0x425B5E0: RTT::ExecutionEngine::step()
> > (ExecutionEngine.cpp:321)
> > ==18518== by 0x4281145: RTT::base::RunnableInterface::loop()
> > (CoreRunnableInterface.cpp:60)
> > ==18518== by 0x42D3CCE: RTT::extras::SlaveActivity::execute()
> > (SlaveActivity.cpp:194)
> > ==18518== by 0x427230F: RTT::base::TaskCore::update()
> (TaskCore.cpp:93)
> > ==18518== by 0x109E3208: FBSched::updateHook() (fbsched.cpp:91)
> > ==18518== by 0x10B37E49: arp_core::PeriodicScheduler::updateHook() (in
> > /opt/ard/arp_core/lib/orocos/gnulinux/libarp_core-components-gnulinux.so)
> > ==18518== by 0x425B65F: RTT::ExecutionEngine::processChildren()
> > (ExecutionEngine.cpp:331)
> > ==18518== by 0x425B5E0: RTT::ExecutionEngine::step()
> > (ExecutionEngine.cpp:321)
> > ==18518== Address 0x9763918 is 0 bytes inside a block of size 148 free'd
> > ==18518== at 0x4024881: operator delete(void*)
> (vg_replace_malloc.c:387)
> > ==18518== by 0x41F186F: RTT::Activity::~Activity() (Activity.cpp:83)
> > ==18518== by 0x4210D2D: void
> > boost::checked_delete<RTT::Activity>(RTT::Activity*)
> (checked_delete.hpp:34)
> > ==18518== by 0x422B331:
> > boost::detail::sp_counted_impl_p<RTT::Activity>::dispose()
> > (sp_counted_impl.hpp:78)
> > ==18518== by 0x41E4A1B: boost::detail::sp_counted_base::release()
> > (sp_counted_base_gcc_x86.hpp:145)
> > ==18518== by 0x41E4A9F: boost::detail::shared_count::~shared_count()
> > (shared_count.hpp:217)
> > ==18518== by 0x420CC67:
> > boost::shared_ptr<RTT::base::ActivityInterface>::~shared_ptr()
> > (shared_ptr.hpp:169)
> > ==18518== by 0x420E0AF:
> >
> boost::shared_ptr<RTT::base::ActivityInterface>::operator=(boost::shared_ptr<RTT::base::ActivityInterface>
> > const&) (shared_ptr.hpp:305)
> > ==18518== by 0x420BCEC:
> > RTT::TaskContext::setActivity(RTT::base::ActivityInterface*)
> > (TaskContext.cpp:351)
> > ==18518== by 0x44B42FA:
> OCL::DeploymentComponent::setActivity(std::string
> > const&, double, int, int) (DeploymentComponent.cpp:1661)
> > ==18518== by 0x44CEA38:
> >
> boost::detail::function::function_obj_invoker4<boost::_bi::bind_t > > boost::_mfi::mf4<bool, OCL::DeploymentComponent, std::string const&,
> double,
> > int, int>,
> boost::_bi::list5<boost::_bi::value > > boost::arg<1>, boost::arg<2>, boost::arg<3>, boost::arg<4> > >, bool,
> > std::string const&, double, int,
> > int>::invoke(boost::detail::function::function_buffer&, std::string
> const&,
> > double, int, int) (mem_fn_template.hpp:506)
> > ==18518== by 0x44F54CC: RTT::internal::InvokerImpl<4, bool
> ()(std::string
> > const&, double, int, int), RTT::internal::LocalOperationCallerImpl<bool
> > ()(std::string const&, double, int, int)> >::call(std::string const&,
> > double, int, int) (function_template.hpp:1013)
> > ==18518==
> > pure virtual method called
> > ==18518== Thread 25:
> > ==18518== Invalid free() / delete / delete[]
> > ==18518== at 0x4024B6A: free (vg_replace_malloc.c:366)
> > ==18518== by 0x55E3623: free_mem (in /lib/i686/cmov/libc-2.11.3.so)
> > ==18518== by 0x55E30E9: __libc_freeres (in /lib/i686/cmov/
> libc-2.11.3.so)
> > ==18518== by 0x401F4D3: _vgnU_freeres (vg_preloaded.c:62)
> > ==18518== by 0xDF1E44F: ???
> > ==18518== by 0x42712A1: RTT::os::rtos_task_wait_period(RTOS_TASK*)
> > (fosi_internal.cpp:212)
> > ==18518== by 0x4268FBC: RTT::os::thread_function(void*)
> (Thread.cpp:161)
> > ==18518== by 0x4761954: start_thread (pthread_create.c:300)
> > ==18518== by 0x55A25ED: clone (clone.S:130)
> > ==18518== Address 0x54b7a10 is not stack'd, malloc'd or (recently)
> free'd
> >
> >
>